Crossword Genius

Regretted sounding rude (4)

Ross

I believe the answer is:

rued

'regretted' is the definition.
('rue' can be a synonym of 'regret')

'sounding rude' is the wordplay.
'sounding' shows a homophone (sound like).
'rude' is a homophone of 'RUED'.

(Other definitions for rued that I've seen before include "'Regretted, repented (4)'" , "Was contrite about" , "Was sorry" , "Bitterly regretted" , "was remorseful" .)

I've seen this clue in The Guardian and the Evening Standard.
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